Yifeng XuandDanilo Leal 44df53c15d thread_view: Fix overflow of placeholder text and message editor controls (#61395)
# Objective

Fixes #61391
Fixes #60876 

Fix Agent Panel prompt text and controls being clipped when the panel is
narrow.

## Solution

- Allow the message editor and ACP configuration controls to shrink and
wrap.
- Use a dynamic minimum panel width based on the active Agent's prompt
text.
- Cap that dynamic width so long prompts, such as Zed Agent's, do not
prevent the panel from being resized narrower.

## Testing

- `cargo fmt --all -- --check`
- `cargo check -p agent_ui`
- `cargo test -p agent_ui --lib
conversation_view::tests::test_restored_threads_keep_available_commands`
- `cargo test -p agent_ui --lib config_options::tests`

Manual UI testing is still recommended for Zed Agent and third-party
Agent Panels at narrow widths.

## Self-Review Checklist:

- [x] I've reviewed my own diff for quality, security, and reliability
- [x] Unsafe blocks (if any) have justifying comments
- [x] The content adheres to Zed's UI standards
- [ ] Tests cover the new/changed behavior
- [x] Performance impact has been considered and is acceptable

## Showcase


https://github.com/user-attachments/assets/71825d64-6e5d-40fe-98a4-dcb13903e06b


---

Release Notes:

- Agent: Fixed agent panel placeholder and controls overflowing when the
panel width was narrow.

---------

Co-authored-by: Danilo Leal <daniloleal09@gmail.com>
2026-07-21 13:56:24 +00:00
2026-01-22 23:57:26 +05:30
WIP
2023-12-14 09:25:14 -07:00
2026-04-29 10:27:47 +00:00
2025-02-04 09:02:59 -05:00
2025-10-27 13:27:59 -04:00
2026-06-27 15:06:29 +00:00
2025-10-17 18:58:14 +00:00
2026-03-17 16:34:35 +00:00
2026-04-29 10:27:47 +00:00

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